Hatori and Kana (a Sohma assistant) fell in love.
To save Kana from her crippling guilt, Hatori used his hypnosis to erase her memories of their romance. Fruits Basket (2019) Episode 7
The episode's title refers to a poignant conversation between Hatori and Tohru. It serves as a metaphor for the Sohma family's trauma: "What does snow become when it melts?" Hatori and Kana (a Sohma assistant) fell in love